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Finding the Fourth Proportional to 1,449,070.40, 1,999,725.90 and 795,724.40

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Solution

The fourth proportional to 1,449,070.40, 1,999,725.90 and 795,724.40 is: 1,098,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,070.40 : 1,999,725.90 = 795,724.40 : x
  2. Step 2: Convert to fraction form
    1,449,070.40/1,999,725.90 = 795,724.40/x
  3. Step 3: Cross multiply
    1,449,070.40x = 1,999,725.90 × 795,724.40
  4. Step 4: Simplify right side
    1,449,070.40x = 1,591,230,691,941.96
  5. Step 5: Solve for x
    x = 1,591,230,691,941.96/1,449,070.40
  6. Step 6: Final answer
    x = 1,098,104.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.